firefox sucking up 102% of the CPU

[Robert P. J. Day]

On Fri, 19 Oct 2007, Baykan TOKMAKCIOGLU wrote:

> On 10/19/07, Gilboa Davara <gilboad at gmail.com> wrote:
> >
> > On Fri, 2007-10-19 at 07:06 -0400, Robert P. J. Day wrote:
> > > on a fairly regular basis, firefox just drags the system to its
> > > knees, like right now on my fedora test system, where "top" shows it
> > > currently bouncing between using 101% and 102% of the CPU.  that
> > > *can't* be right.  :-)
> > >
> > > rday
> > >
> >
> >
> > Actually it can. (My dual dual core Opteron running a one of my servers
> > under load)
> >
> >   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 6282 gilboa    20   0  640m 534m  648 S  361 13.5   0:16.45 userbase
> >
> > A multithreaded application (such as firefox) can eat 100% CPU -per-
> > core.
> > If you have a P4 with hyper-threading (or above), a single process can
> > eat 200% (or above)...
> >
> > Never the less, firefox should not eat 102% CPU... were you running a
> > flash-something or a heavy java applet at the time?
> >
> > - Gilboa
> >
> > Especially, flash 9 plug-in creates a terrible load on my systems.
> > It can suck the resources if you are displaying a flash intensive
> > page (youtube e.g .)

yes, that sounds like the culprit right there.

-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
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